Explore topic-wise MCQs in Dc Machines.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Dc Machines knowledge and support exam preparation. Choose a topic below to get started.

1.

In current commutation, in chopper circuit we use _____________

A. 2 auxiliary thyristors
B. 2 diodes
C. 1 auxiliary thyristor
D. 2 auxiliary thyristors and 2 diodes
Answer» E.
2.

In voltage commutation, in chopper circuit we use _____________

A. 2 auxiliary thyristors
B. 2 diodes
C. 1 auxiliary thyristor
D. Many diodes
Answer» B. 2 diodes
3.

Which of the following method is adopted for controlling a DC motor?

A. Resistance control
B. Motor-generator set
C. Inverter Rectifier
D. DC chopper
Answer» E.